hubble's curious case of a calcium-rich supernova color palette

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#0D0D0A #5D5567 #3D3945 #B6A69A #88747B

related tags: 0C0D0B 0D0D0A 3D3945 3E3C42 5D5567 5D5A62 83797C 88747B AFA7A1 B6A69A astronomy cosmos galaxy hubble hubblefriday science space spiral supernova telescope universe